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March 26, 2017

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When calculating a confidence interval for the difference between two means, what information are you gaining?

The means are from both same population and different?

Thank you.

  • statistics - ,

    You are gaining information about the population. You are estimating the difference in population means by using the difference in the sample means. You also make a few assumptions, such as the populations have the same variance and the populations are normally distributed.

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